Top Dog K-9 leather products are made with 2-PLY high quality leather, lock stiched, for long wear and good looks. Our dog harnesses and collars are equipped with roller buckles and a super heavy duty D-RING for the compfort and ease of hadling your dog. All leather products are made of the strongest and highest quality latigo leather and colored with long-lasting dyes completely safe for both animals and humans. To assure your dog's new collar will be a proper fit, it is highly recommended that you measure its neck circumference and ad 2 in. Premeasurement is always the best way to insure you are purchasing the correct item for your dog.